Tokyo stocks sink on tech stock falls

TOKYO, Oct. 19 (Xinhua) -- Tokyo stocks fell sharply on Thursday, led by the selling of high-tech growth stocks on concerns over higher borrowing costs amid rising Japanese and U.S. long-term bond yields.

Japan's benchmark Nikkei stock index, the 225-issue Nikkei Stock Average, ended down 611.63 points, or 1.91 percent, from Wednesday at 31,430.62.

The broader Topix index, meanwhile, finished 31.18 points